Difference between revisions of "GlueX PID Meeting, October 29, 2010"

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(→‎Agenda: add link to schedule milestones)
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# [[Selected Schedule Milestones|Schedule review]]: Mark
 
# [[Selected Schedule Milestones|Schedule review]]: Mark
 
# [[Time-of-Flight/Start-Counter Action Items|Action Items]]
 
# [[Time-of-Flight/Start-Counter Action Items|Action Items]]
 +
 +
=Minutes=
 +
 +
pid meeting, Oct. 29
 +
 +
JLab: rory, mark, simon, beni, sascha, elton, eugene
 +
FSU sasha
 +
 +
target capacity ok
 +
 +
FSU mou
 +
UMass mou
 +
 +
Sasha
 +
 +
prototype
 +
 +
machine making frame for 4 paddle prototype configuration
 +
problem: how to hold two small paddles
 +
short paddles will be between long ones
 +
missing TDC signals, 1/2 w/ missing TDC, overflow bit set
 +
spoke with Ed J. : overflow only if 16 hits in TDC window
 +
high frequency oscillation, time window is 400 ns
 +
try reducing trigger window to 50 ns
 +
moved signals to other chips
 +
increased threshold on discriminator
 +
overflow problem is gone
 +
1000 events, 100 TDC simply missing of 6 ends

Revision as of 16:14, 29 October 2010

Location, Time

Friday, October 29, 2010
2:00 pm EDT
JLab: CEBAF Center, Room F326/7
ESNet: 8542553
EVO: direct meeting link
Conference Group: 800-377-8846, participant code: 77438230
Slides: talks can be deposited in the directory /group/halld/www/halldweb1/html/talks/2010-10 on the JLab CUE (you have to be a member of the "halld" group). This directory is accessible from the web at https://halldweb1.jlab.org/talks/2010-10/ .

Agenda

  1. Announcements
  2. Minutes from the last meeting
  3. Time-of-Flight
    1. Prototype Status
    2. Calibration system
    3. Mechanical interface to support structure: real estate planning
    4. MOU status
  4. Start Counter Status
    1. MOU plans
  5. Target
    1. MOU status
  6. Schedule review: Mark
  7. Action Items

Minutes

pid meeting, Oct. 29

JLab: rory, mark, simon, beni, sascha, elton, eugene FSU sasha

target capacity ok

FSU mou UMass mou

Sasha

prototype

machine making frame for 4 paddle prototype configuration problem: how to hold two small paddles short paddles will be between long ones missing TDC signals, 1/2 w/ missing TDC, overflow bit set spoke with Ed J. : overflow only if 16 hits in TDC window high frequency oscillation, time window is 400 ns try reducing trigger window to 50 ns moved signals to other chips increased threshold on discriminator overflow problem is gone 1000 events, 100 TDC simply missing of 6 ends

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